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ASUS GTX 660 DirectCU II TOP Review

Testing:

Power consumption of the system will be measured at both idle and loaded states, taking into account the peak wattage of the entire system with each video card installed. I will use Unigine's Heaven Benchmark version 3.0 to put a load onto the GPU using the settings below. A 15-minute load test will be used to simulate maximum load with the highest measured wattage value recorded as the result. The idle results will measured as the lowest wattage value recorded with no activity on the system.

Settings

Unigine 3.0 Heaven Benchmark

1920x1080 Resolution

8x AA

15-minute load test

15-minute idle test

Measurement is in watts

The GTX 660 DCU II TOP delivers power consumption numbers under load that are less than the 140W TDP for the card when you look at the delta between the idle and load results. Compared to the HD 7870 Flex, the GTX 660 is more power hungry at idle and under load.